https://api.drupal.org/api/drupal/core%21tests%21Drupal%21KernelTests%21Core%21Asset%21LegacyLibraryDiscoveryTest.php/function/LegacyLibraryDiscoveryTest%3A%3AtestJqueryUiDroppable/8.9.x
function LegacyLibraryDiscoveryTest::testJqueryUiDroppable | Drupal API
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